Answer:
C. According to the author, “a shark’s teeth are constantly being replaced, moving forward along a groove in comparison to a conveyor belt.”
Hope this helps :)
Explanation:
I have never read what you are asking, but just by looking at it, I would assume that he is stereotyping Dutch people, because he is calling Black Dog an insult, which is "son of a dutchman".
The passage is in third person because it refers to her as Cathy or "her"
I'd say that the theme of this story encourages us that anyone can be important. Not just lawmakers or rich people or even extroverts, but anyone, whether you're a shy artist or an outgoing sporty-type. Some variation on that is probably what you're looking for, I shouldn't do your work for you! :)